package com.fick.hibernate.dao;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

import com.fick.hibernate.model.Leader;

/**
 * A data access object (DAO) providing persistence and search support for
 * Leader entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.fick.hibernate.model.Leader
 * @author MyEclipse Persistence Tools
 */

public class LeaderDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(LeaderDAO.class);

	// property constants
	public static final String LEADER_NAME = "leaderName";

	public static final String LEADER_JOB = "leaderJob";

	public static final String LEADER_ABOUT = "leaderAbout";

	public static final String LEADER_PIC = "leaderPic";

	public static final String IF_LEADER = "ifLeader";

	public void attachClean(Leader instance) {
		log.debug("attaching clean Leader instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachDirty(Leader instance) {
		log.debug("attaching dirty Leader instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public List findAll() {
		log.debug("finding all Leader instances");
		try {
			String queryString = "from Leader";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public List findByExample(Leader instance) {
		log.debug("finding Leader instance by example");
		try {
			List results = getSession().createCriteria("com.fick.hibernate.model.Leader").add(Example.create(instance))
					.list();
			log.debug("find by example successful, result size: " + results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public Leader findById(java.lang.Integer id) {
		log.debug("getting Leader instance with id: " + id);
		try {
			Leader instance = (Leader) getSession().get("com.fick.hibernate.model.Leader", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByIfLeader(Object ifLeader) {
		return findByProperty(IF_LEADER, ifLeader);
	}

	public List findByLeaderAbout(Object leaderAbout) {
		return findByProperty(LEADER_ABOUT, leaderAbout);
	}

	public List findByLeaderJob(Object leaderJob) {
		return findByProperty(LEADER_JOB, leaderJob);
	}

	public List findByLeaderName(Object leaderName) {
		return findByProperty(LEADER_NAME, leaderName);
	}

	public List findByLeaderPic(Object leaderPic) {
		return findByProperty(LEADER_PIC, leaderPic);
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Leader instance with property: " + propertyName + ", value: " + value);
		try {
			String queryString = "from Leader as model where model." + propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findPageByHql(Integer currPage, Integer pageSize) {
		log.debug("find page by hql");
		try {
			getSession().flush();
			String queryString = "from Leader order by id desc";
			Query query = getSession().createQuery(queryString);
			query.setFirstResult((currPage - 1) * pageSize);
			query.setMaxResults(pageSize);
			List<Leader> li = query.list();

			return li;
		} catch (RuntimeException e) {
			e.printStackTrace();
			log.error("find page by hql is filse", e);
		} finally {
			closeSession();
		}
		return null;
	}

	public List findPageByHql2(String hql, Integer currPage, Integer pageSize) {
		log.debug("find page by hql");
		try {
			getSession().flush();
			String queryString = "from Leader" + hql;
			Query query = getSession().createQuery(queryString);
			query.setFirstResult((currPage - 1) * pageSize);
			query.setMaxResults(pageSize);
			List<Leader> li = query.list();

			return li;
		} catch (RuntimeException e) {
			e.printStackTrace();
			log.error("find page by hql is filse", e);
		} finally {
			closeSession();
		}
		return null;
	}

	public Leader merge(Leader detachedInstance) {
		log.debug("merging Leader instance");
		try {
			Leader result = (Leader) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}
}